Cita APA (7th ed.)

Pintera, A., Maget, J., & Ostmeyer, J. (1988). Katzen (o.A.). Artia Verlag.

Cita Chicago (17th ed.)

Pintera, Albert, Jan Maget, i Jürgen Ostmeyer. Katzen. o.A. Prag: Artia Verlag, 1988.

Cita MLA (8th ed.)

Pintera, Albert, et al. Katzen. o.A. Artia Verlag, 1988.